• 
  Richard Dreyfuss

  Mark Finlay-editor of the Schooner Bay Beacon (1 episode, 1969)
• 
  Dom DeLuise

  Elroy Applegate (1 episode, 1969)
• 
  Debi Storm

  Penelope Hassenhammer (1 episode, 1969)
• 
  Dabbs Greer

  Norrie Coolidge (6 episodes, 1968-1969)
• 
  J. Pat O'Malley

  Ollie Wilkins (1 episode, 1969)
• 
  Edwin Max

  Steve (1 episode, 1969)
• 
  Renie Riano
• 
  Billy Beck

  Frank Tobias  (2 episodes, 1968-1969)

• 
  Ed Begley
• 
  Eileen Brennan

  Paula Tardy (1 episode, 1970)
• 
  Roy Engel

  Dr. Feeney (1 episode, 1969)
• 
  Reta Shaw

  Martha Grant (50 episodes, 1968-1970)
• 
  Kathleen Freeman
• 
  Harold Peary
• 
  Dan Tobin

  Dr. McNally (3 episodes, 1969-1970)

• 
  Leon Ames
• 
  Stan Adams
• 
  Shelley Fabares

  Vanessa (1 episode, 1968)
• 
  Edward Mulhare

  Capt. Daniel Gregg (50 episodes, 1968-1970)
• 
  George Mitchell

  Jonah Applewhite (1 episode, 1969)
• 
  Lee Phillips

  George (1 episode, 1969)
• 
  Bill Baldwin
• 
  Danny Bonaduce

  Danny Shoemaker (1 episode, 1969)
• 
  Kenneth Mars

  Ellsworth Gordon  (2 episodes, 1968-1970)
• 
  Bill Bixby

  Paul Wilkie (1 episode, 1968)
• 
  Bill McLean

  Waiter (2 episodes, 1968-1969)
• 
  Cecil Kellaway

  Admiral Snedaker (1 episode, 1969)
• 
  Hope Lange

  Carolyn Muir (50 episodes, 1968-1970)
• 
  Don Scardino

  Dr. Ferguson (1 episode, 1969)
• 
  Vaughn Taylor

  Dr. Hewitt (1 episode, 1968)
• 
  Mason Curry

  Deke Tuttle (9 episodes, 1968-1970)
• 
  Stanley Adams
• 
  Lee Philips

  George (1 episode, 1969)
• 
  Michael Fox

  Prof. Maxwell (1 episode, 1968)
• 
  Elisha Cook Jr.

  Frankie (1 episode, 1969)
• 
  Ellen Weston
• 
  Ruth McDevitt

  Mrs. Rodman (1 episode, 1968)
• 
  Shirley Booth
• 
  Laurie Main
• 
  Betsy Jones-Moreland

  Mrs. Post (1 episode, 1969)
• 
  Jane Wyatt
• 
  Joe Flynn
• 
  Avery Schreiber
• 
  Jack Gilford

  Uncle Arnold (1 episode, 1968)
• 
  Charles Nelson Reilly

  Claymore Gregg (50 episodes, 1968-1970)
• 
  Mabel Albertson

  Miss Grover (1 episode, 1968)
• 
  Harlen Carraher

  Jonathan Muir
• 
  Kellie Flanagan

  Candice Muir
• 
  Scruffy

  Scruffy